The Morris Eighteen was a vehicle of the upper middle class introduced by Morris in 1936 as a successor to the Morris Sixteen.

The Morris 18 had a 6-cylinder OHV engine with a larger bore than that of its predecessor, and therefore a displacement of 2,288cc. All 4 wheels were suspended on semi-elliptic springs.

The 4-door sedans reached a top speed of 107 km/h. In the following year the production of this model was discontinued.

The successor was the Six Series MS that was introduced from 1948.